FI45799C - A method for determining the orientation of paper or a similar fiber by means of light reflected from paper. - Google Patents
A method for determining the orientation of paper or a similar fiber by means of light reflected from paper.Info
- Publication number
- FI45799C FI45799C FI710831A FI83171A FI45799C FI 45799 C FI45799 C FI 45799C FI 710831 A FI710831 A FI 710831A FI 83171 A FI83171 A FI 83171A FI 45799 C FI45799 C FI 45799C
- Authority
- FI
- Finland
- Prior art keywords
- paper
- orientation
- determining
- light reflected
- similar fiber
- Prior art date
Links
- 239000000835 fiber Substances 0.000 title 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/47—Scattering, i.e. diffuse reflection
- G01N21/4738—Diffuse reflection, e.g. also for testing fluids, fibrous materials
- G01N21/474—Details of optical heads therefor, e.g. using optical fibres
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/21—Polarisation-affecting properties
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/34—Paper
- G01N33/346—Paper sheets
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/86—Investigating moving sheets
- G01N2021/8663—Paper, e.g. gloss, moisture content
- G01N2021/8681—Paper fibre orientation
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Paper (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI710831A FI45799C (en) | 1971-03-23 | 1971-03-23 | A method for determining the orientation of paper or a similar fiber by means of light reflected from paper. |
US00236705A US3807868A (en) | 1971-03-23 | 1972-03-21 | Method for determining the fibre orientation in paper or equivalent by the aid of light reflected by the paper |
DE2214191A DE2214191C3 (en) | 1971-03-23 | 1972-03-23 | Method for determining the fiber orientation in paper with the aid of light reflected from the paper |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI710831A FI45799C (en) | 1971-03-23 | 1971-03-23 | A method for determining the orientation of paper or a similar fiber by means of light reflected from paper. |
Publications (2)
Publication Number | Publication Date |
---|---|
FI45799B FI45799B (en) | 1972-05-31 |
FI45799C true FI45799C (en) | 1972-09-11 |
Family
ID=8504718
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI710831A FI45799C (en) | 1971-03-23 | 1971-03-23 | A method for determining the orientation of paper or a similar fiber by means of light reflected from paper. |
Country Status (3)
Country | Link |
---|---|
US (1) | US3807868A (en) |
DE (1) | DE2214191C3 (en) |
FI (1) | FI45799C (en) |
Families Citing this family (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3904293A (en) * | 1973-12-06 | 1975-09-09 | Sherman Gee | Optical method for surface texture measurement |
SE440405B (en) * | 1979-03-02 | 1985-07-29 | Svenska Textilforskningsinst | DEVICE FOR DETERMINING THE DIRECTION DISTRIBUTION OF FIBERS IN THE PLAN FOR A CLOTHING MATERIAL |
US4257106A (en) * | 1979-05-24 | 1981-03-17 | Norlin Industries, Inc. | Method and apparatus for thermal imaging |
FI63835C (en) * | 1981-02-10 | 1983-08-10 | Altim Control Ky | FOERFARANDE FOER IDENTIFIERING AV ETT VIRKES YTEGENSKAPER |
US4441124A (en) * | 1981-11-05 | 1984-04-03 | Western Electric Company, Inc. | Technique for inspecting semiconductor wafers for particulate contamination |
US4430798A (en) * | 1982-09-27 | 1984-02-14 | The Firestone Tire & Rubber Company | Angle measurement method |
US4535239A (en) * | 1983-06-03 | 1985-08-13 | Ball Corporation | Method and apparatus for remote measurement of a particulate matter on a moving sheet |
US4684256A (en) * | 1983-12-30 | 1987-08-04 | Nitto Electric Industrial Co., Ltd. | Apparatus and method for continuously measuring polarizing property |
DE3413558C2 (en) * | 1984-04-11 | 1996-03-28 | Honeywell Paper Machine Automa | Method for contactless determination of the direction of the predominant fiber orientation in paper |
JPS60227156A (en) * | 1984-04-25 | 1985-11-12 | Kanzaki Paper Mfg Co Ltd | Measuring method of orientation characteristic of sheet |
JPS60231136A (en) * | 1984-05-01 | 1985-11-16 | Kanzaki Paper Mfg Co Ltd | Measurement of fiber orientation in paper |
FR2568012B1 (en) * | 1984-07-17 | 1986-10-31 | Centre Tech Ind Papier | APPARATUS FOR MEASURING THE FORMATION CONDITION OF A PAPER SHEET |
US4648712A (en) * | 1985-02-04 | 1987-03-10 | Champion International Corporation | Apparatus and method for analyzing parameters of a fibrous substrate |
US4695157A (en) * | 1985-10-11 | 1987-09-22 | Benchmark Industries Incorporated | Solder process inspection diffuser assembly |
US4654529A (en) * | 1986-01-28 | 1987-03-31 | Universite Laval | Method for measuring the fibre orientation anisotropy in a fibrous structure |
US4890926A (en) * | 1987-12-21 | 1990-01-02 | Miles Inc. | Reflectance photometer |
DE3808336C2 (en) * | 1988-03-12 | 1997-05-07 | Steinbeis Stiftung Fuer Wirtsc | Method for determining the fineness of textile fibers, especially flax fibers |
HUT68990A (en) † | 1992-03-16 | 1995-08-28 | Recycled Paper Products Corp | Packing material, method for forbearing packing, and product in this package |
US5394247A (en) * | 1993-03-09 | 1995-02-28 | International Paper Company | Measurement of paper curl tendency using specular and diffuse light reflection |
JP2704704B2 (en) * | 1994-04-06 | 1998-01-26 | 日本製紙株式会社 | Method for measuring fiber orientation on paper surface |
US5729349A (en) * | 1995-02-10 | 1998-03-17 | Ricoh Company, Ltd. | Method and device for determining fiber orientation of paper, and apparatus for removing image forming substance from paper |
US5652388A (en) * | 1995-08-21 | 1997-07-29 | Baldwin Web Controls | Apparatus and method for detecting printing press web breakage |
US5929993A (en) * | 1998-03-03 | 1999-07-27 | J.A. Woollam Co. Inc. | Total film retardance monitoring system, and method of use |
DE19913924A1 (en) | 1999-03-26 | 2000-09-28 | Voith Sulzer Papiertech Patent | Instrument determining fiber orientation in band of paper during manufacture employs infrared light source with polarization filters, achieving accurate results in any of several configurations |
US7101461B2 (en) * | 2001-01-29 | 2006-09-05 | Kimberly-Clark Worldwide, Inc. | Method and apparatus for imaging a paper web |
US7705995B1 (en) | 2004-12-20 | 2010-04-27 | J.A. Woollam Co., Inc. | Method of determining substrate etch depth |
US7164145B2 (en) * | 2005-05-12 | 2007-01-16 | Honeywell International Inc. | Measuring fiber orientation by detecting dispersion of polarized light |
US8335442B2 (en) * | 2007-01-30 | 2012-12-18 | Hewlett-Packard Development Company, L.P. | Hard imaging devices and hard imaging methods |
US8728276B2 (en) * | 2010-05-20 | 2014-05-20 | Honeywell International Inc. | Apparatus and method for controlling curling potential of paper, paperboard, or other product during manufacture |
FI125240B (en) * | 2013-05-10 | 2015-07-31 | Kemira Oyj | Method and apparatus for detecting free fiber ends in paper |
US9897440B2 (en) | 2014-01-17 | 2018-02-20 | The Boeing Company | Method and system for determining and verifying ply orientation of a composite laminate |
DE102015220145A1 (en) | 2015-10-16 | 2017-04-20 | Bayerische Motoren Werke Aktiengesellschaft | Carbon fiber material, process for its production, fiber composite component containing the carbon fiber material |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2406166A (en) * | 1942-07-25 | 1946-08-20 | Du Pont | Instrument for measuring reflectance |
US3060793A (en) * | 1960-07-22 | 1962-10-30 | Arthur N Wells | Apparatus for determining ellipticity of surface reflected plane polarized light |
US3274882A (en) * | 1960-09-15 | 1966-09-27 | Libbey Owens Ford Glass Co | Inspection apparatus for transparent glass sheets |
US3435241A (en) * | 1964-01-07 | 1969-03-25 | Industrial Nucleonics Corp | Structure inspection equipment |
US3349665A (en) * | 1964-05-19 | 1967-10-31 | Formica Corp | Characterizing light reflecting properties of a surface |
-
1971
- 1971-03-23 FI FI710831A patent/FI45799C/en active
-
1972
- 1972-03-21 US US00236705A patent/US3807868A/en not_active Expired - Lifetime
- 1972-03-23 DE DE2214191A patent/DE2214191C3/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2214191C3 (en) | 1975-04-10 |
DE2214191A1 (en) | 1972-12-07 |
FI45799B (en) | 1972-05-31 |
DE2214191B2 (en) | 1974-08-15 |
US3807868A (en) | 1974-04-30 |
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